A mechanical device specifically designed for use on a guy or ropes which require loosening and tightening. The device consists of cylindrical body which is conically drilled to receive a hollow tapered plunger. The plunger through which the rope passes is designed with a flared external end and pressure grip internal end. Tension on the rope through the device seats the internal end of the plunger, holding the rope taut in a pressure grip, necessitating the pulling out of the plunger to release the rope. May or may not have a dee ring.